Bosch
GDI High Pressure Pump (New)

Bosch 66826 Direct Injection High Pressure Fuel Pump

Brand Bosch 66826
Electric Or Mechanical Electric
Gaskets Included (Fuel Pump) No
In Tank Or External Internal
Mounting Hardware Included No
New Or Remanufactured New
Package Contents 1 High Pressure Pump
Product line GDI High Pressure Pump (New)
Fits Mercedes-Benz · 163 vehicles

OE-quality manufacturing. Built on Bosch production lines and tested to original-equipment standards.

New pump. A fresh direct injection high pressure fuel pump for dependable fuel delivery.

Internal electric design. Configured as an electric in-tank pump with one outlet.

Cross-references 2780701101 for the same application. See all 1.

$256.83Free shipping
In stock · usually ships same day before 1pm CST
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Free returns within 60 days if it doesn't fit when fitment is verified.

Bosch GDI High Pressure Pump for Mercedes-Benz

Bosch 66826 is a new direct injection high pressure fuel pump for Mercedes-Benz applications that use gasoline direct injection. Built on Bosch premium fuel system engineering, this pump is manufactured and tested to the same quality standards used for Bosch original equipment fuel pumps, helping maintain consistent fuel delivery and dependable operation.

Compatible With Mercedes-Benz C43 AMG, GLC43 AMG, E450, S450, SL550, GLE400, GLS550, and other listed models across 2011-2023 applications, Bosch 66826 supports a wide range of left-side and internal GDI fuel system configurations.

Key Features

  • Brand: Bosch GDI High Pressure Pump (New)
  • Part Number: 66826
  • Direct injection high pressure fuel pump for gasoline direct injection systems
  • Electric, internal pump design
  • New replacement part, not remanufactured
  • 1 outlet configuration
  • No gaskets included
  • No mounting hardware included
  • Built and tested to Bosch OE-level quality standards

Product Details

The Bosch GDI High Pressure Pump line is engineered for modern direct injection fuel systems that require precise pressure control. This Bosch 66826 pump is made in Bosch production facilities and validated under the same rigorous standards used for original equipment fuel pumps. For Mercedes-Benz owners, that means a replacement focused on stable fuel pressure, consistent drivability, and long service life in demanding GDI applications.

This part cross-references part number 2780701101 for the same application. It is a direct fit for many Mercedes-Benz models, including Mercedes-Benz C43 AMG, Mercedes-Benz GLC43 AMG, and Mercedes-Benz S550 applications listed below.

Common Issues This Pump Can Address

  • Low fuel pressure in a direct injection system
  • Hard starting related to high-pressure fuel delivery
  • Fuel starvation under load or acceleration
  • Rough idle caused by inconsistent pump output
  • Fuel system performance faults tied to the high-pressure pump

Installation Notes and Fitment

Fits 2021-2023 Mercedes-Benz C43 AMG, N/A.

Fits 2021-2023 Mercedes-Benz GLC43 AMG, N/A.

Fits 2017-2020 Mercedes-Benz C43 AMG, N/A.

Fits 2019-2020 Mercedes-Benz E450, N/A.

Fits 2017-2020 Mercedes-Benz GLC43 AMG, N/A.

Fits 2018-2020 Mercedes-Benz S450, N/A.

Fits 2019-2020 Mercedes-Benz S560e, N/A.

Fits 2017-2020 Mercedes-Benz SL450, N/A.

Fits 2013-2020 Mercedes-Benz SL550, left side.

Fits 2020 Mercedes-Benz SLC43 AMG, N/A.

Fits 2016-2019 Mercedes-Benz GLE400, N/A.

Fits 2017-2019 Mercedes-Benz GLE43 AMG, N/A.

Fits 2016-2019 Mercedes-Benz GLE63 AMG, left side.

Fits 2016-2019 Mercedes-Benz GLE63 AMG S, left side.

Fits 2017-2019 Mercedes-Benz GLS450, N/A.

Fits 2017-2019 Mercedes-Benz GLS550, left side.

Fits 2017-2019 Mercedes-Benz GLS63 AMG, left side.

Fits 2013-2019 Mercedes-Benz SL63 AMG, left side.

Fits 2017-2019 Mercedes-Benz SLC43 AMG, N/A.

Fits 2013-2018 Mercedes-Benz CLS550, left side.

Fits 2014-2018 Mercedes-Benz CLS63 AMG S, left side.

Fits 2015-2018 Mercedes-Benz E400, N/A.

Fits 2017-2018 Mercedes-Benz E43 AMG, N/A.

Fits 2013-2018 Mercedes-Benz G63 AMG, left side.

Fits 2016-2018 Mercedes-Benz GLE550e, N/A.

Fits 2015-2017 Mercedes-Benz CLS400, N/A.

Fits 2013-2017 Mercedes-Benz E550, left side.

Fits 2017 Mercedes-Benz Maybach S550, left side.

Fits 2013-2017 Mercedes-Benz S550, left side.

Fits 2015-2017 Mercedes-Benz S550e, N/A.

Fits 2013-2017 Mercedes-Benz S63 AMG, left side.

Fits 2016 Mercedes-Benz C450 AMG, N/A.

Fits 2014-2016 Mercedes-Benz E63 AMG S, left side.

Fits 2015-2016 Mercedes-Benz GL450, N/A.

Fits 2013-2016 Mercedes-Benz GL550, left side.

Fits 2013-2016 Mercedes-Benz GL63 AMG, left side.

Fits 2016 Mercedes-Benz GLE450 AMG, N/A.

Fits 2015-2016 Mercedes-Benz SL400, N/A.

Fits 2015 Mercedes-Benz C400, N/A.

Fits 2013-2015 Mercedes-Benz E63 AMG, left side.

Fits 2015 Mercedes-Benz ML400, N/A.

Fits 2012-2015 Mercedes-Benz ML63 AMG, left side.

Fits 2013-2014 Mercedes-Benz CL550, left side.

Fits 2013-2014 Mercedes-Benz CL63 AMG, left side.

Fits 2014 Mercedes-Benz CLS63 AMG, left side.

Fits 2013-2014 Mercedes-Benz GL450, left side.

Fits 2012-2014 Mercedes-Benz ML550, left side.

Fits 2011-2012 Mercedes-Benz CL550, left.

Fits 2011-2012 Mercedes-Benz CL63 AMG, left.

Fits 2012 Mercedes-Benz CLS550, left.

Fits 2012 Mercedes-Benz CLS63 AMG, left.

Fits 2012 Mercedes-Benz E550, left.

Fits 2012 Mercedes-Benz E63 AMG, left.

Fits 2012 Mercedes-Benz S550, left.

Fits 2011-2012 Mercedes-Benz S63 AMG, left.

Before installation, confirm the vehicle’s fuel system layout, side designation, and OE part number match the application. Because this is an internal electric high-pressure pump, clean fuel system practices and correct diagnostic verification are important for proper operation.

Quality Assurance

Bosch manufactures this pump using the same production and testing standards applied to its original equipment fuel pumps. That OE-level process supports consistent quality control for Mercedes-Benz direct injection fuel system service.

This part fits 163 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelDrive TypeLitersCylindersPositionNotes
2023Mercedes-BenzC43 AMG3.0LV6N/AGDI High Pressure Pump
2023Mercedes-BenzGLC43 AMG3.0LV6N/AGDI High Pressure Pump
2022Mercedes-BenzC43 AMG3.0LV6N/AGDI High Pressure Pump
2022Mercedes-BenzGLC43 AMG3.0LV6N/AGDI High Pressure Pump
2021Mercedes-BenzC43 AMG3.0LV6N/AGDI High Pressure Pump
2021Mercedes-BenzGLC43 AMG3.0LV6N/AGDI High Pressure Pump
2020Mercedes-BenzC43 AMG3.0LV6N/AGDI High Pressure Pump (New)
2020Mercedes-BenzE4503.0LV6N/AGDI High Pressure Pump (New)
2020Mercedes-BenzGLC43 AMG3.0LV6N/AGDI High Pressure Pump (New)
2020Mercedes-BenzS4503.0LV6N/AGDI High Pressure Pump (New)
2020Mercedes-BenzS560e3.0LV6N/AGDI High Pressure Pump
2020Mercedes-BenzSL4503.0LV6N/AGDI High Pressure Pump (New)
2020Mercedes-BenzSL5504.7LV8N/ALeft Side; GDI High Pressure Pump (New)
2020Mercedes-BenzSLC43 AMG3.0LV6N/AGDI High Pressure Pump
2019Mercedes-BenzC43 AMG3.0LV6N/AGDI High Pressure Pump (New)
2019Mercedes-BenzE4503.0LV6N/AGDI High Pressure Pump (New)
2019Mercedes-BenzGLC43 AMG3.0LV6N/AGDI High Pressure Pump (New)
2019Mercedes-BenzGLE4003.0LV6N/AGDI High Pressure Pump (New)
2019Mercedes-BenzGLE43 AMG3.0LV6N/AGDI High Pressure Pump (New)
2019Mercedes-BenzGLE63 AMG5.5LV8N/ALeft Side; GDI High Pressure Pump (New)
2019Mercedes-BenzGLE63 AMG S5.5LV8N/ALeft Side; GDI High Pressure Pump (New)
2019Mercedes-BenzGLS4503.0LV6N/AGDI High Pressure Pump (New)
2019Mercedes-BenzGLS5504.7LV8N/ALeft Side; GDI High Pressure Pump (New)
2019Mercedes-BenzGLS63 AMG5.5LV8N/ALeft Side; GDI High Pressure Pump (New)
2019Mercedes-BenzS4503.0LV6N/AGDI High Pressure Pump (New)
2019Mercedes-BenzS560e3.0LV6N/AGDI High Pressure Pump
2019Mercedes-BenzSL4503.0LV6N/AGDI High Pressure Pump (New)
2019Mercedes-BenzSL5504.7LV8N/ALeft Side; GDI High Pressure Pump (New)
2019Mercedes-BenzSL63 AMG5.5LV8N/ALeft Side; GDI High Pressure Pump (New)
2019Mercedes-BenzSLC43 AMG3.0LV6N/AGDI High Pressure Pump (New)
2018Mercedes-BenzC43 AMG3.0LV6N/AGDI High Pressure Pump (New)
2018Mercedes-BenzCLS5504.7LV8N/ALeft Side; GDI High Pressure Pump (New)
2018Mercedes-BenzCLS63 AMG S5.5LV8N/ALeft Side; GDI High Pressure Pump (New)
2018Mercedes-BenzE4003.0LV6N/AGDI High Pressure Pump (New)
2018Mercedes-BenzE43 AMG3.0LV6N/AGDI High Pressure Pump (New)
2018Mercedes-BenzG63 AMG5.5LV8N/ALeft Side; GDI High Pressure Pump (New)
2018Mercedes-BenzGLC43 AMG3.0LV6N/AGDI High Pressure Pump (New)
2018Mercedes-BenzGLE4003.0LV6N/AGDI High Pressure Pump (New)
2018Mercedes-BenzGLE43 AMG3.0LV6N/AGDI High Pressure Pump (New)
2018Mercedes-BenzGLE550e3.0LV6N/AGDI High Pressure Pump (New)
2018Mercedes-BenzGLE63 AMG5.5LV8N/ALeft Side; GDI High Pressure Pump (New)
2018Mercedes-BenzGLE63 AMG S5.5LV8N/ALeft Side; GDI High Pressure Pump (New)
2018Mercedes-BenzGLS4503.0LV6N/AGDI High Pressure Pump (New)
2018Mercedes-BenzGLS5504.7LV8N/ALeft Side; GDI High Pressure Pump (New)
2018Mercedes-BenzGLS63 AMG5.5LV8N/ALeft Side; GDI High Pressure Pump (New)
2018Mercedes-BenzS4503.0LV6N/AGDI High Pressure Pump (New)
2018Mercedes-BenzSL4503.0LV6N/AGDI High Pressure Pump (New)
2018Mercedes-BenzSL5504.7LV8N/ALeft Side; GDI High Pressure Pump (New)
2018Mercedes-BenzSL63 AMG5.5LV8N/ALeft Side; GDI High Pressure Pump (New)
2018Mercedes-BenzSLC43 AMG3.0LV6N/AGDI High Pressure Pump (New)
2017Mercedes-BenzC43 AMG3.0LV6N/AGDI High Pressure Pump (New)
2017Mercedes-BenzCLS4003.0LV6N/AGDI High Pressure Pump (New)
2017Mercedes-BenzCLS5504.7LV8N/ALeft Side; GDI High Pressure Pump (New)
2017Mercedes-BenzCLS63 AMG S5.5LV8N/ALeft Side; GDI High Pressure Pump (New)
2017Mercedes-BenzE4003.0LV6N/AGDI High Pressure Pump (New)
2017Mercedes-BenzE43 AMG3.0LV6N/AGDI High Pressure Pump (New)
2017Mercedes-BenzE5504.7LV8N/ALeft Side; GDI High Pressure Pump (New)
2017Mercedes-BenzG63 AMG5.5LV8N/ALeft Side; GDI High Pressure Pump (New)
2017Mercedes-BenzGLC43 AMG3.0LV6N/AGDI High Pressure Pump (New)
2017Mercedes-BenzGLE4003.0LV6N/AGDI High Pressure Pump (New)
2017Mercedes-BenzGLE43 AMG3.0LV6N/AGDI High Pressure Pump (New)
2017Mercedes-BenzGLE550e3.0LV6N/AGDI High Pressure Pump (New)
2017Mercedes-BenzGLE63 AMG5.5LV8N/ALeft Side; GDI High Pressure Pump (New)
2017Mercedes-BenzGLE63 AMG S5.5LV8N/ALeft Side; GDI High Pressure Pump (New)
2017Mercedes-BenzGLS4503.0LV6N/AGDI High Pressure Pump (New)
2017Mercedes-BenzGLS5504.7LV8N/ALeft Side; GDI High Pressure Pump (New)
2017Mercedes-BenzGLS63 AMG5.5LV8N/ALeft Side; GDI High Pressure Pump (New)
2017Mercedes-BenzMaybach S5504.7LV8N/ALeft Side; GDI High Pressure Pump (New)
2017Mercedes-BenzS5504.7LV8N/ALeft Side; GDI High Pressure Pump (New)
2017Mercedes-BenzS550e3.0LV6N/AGDI High Pressure Pump (New)
2017Mercedes-BenzS63 AMG5.5LV8N/ALeft Side; GDI High Pressure Pump (New)
2017Mercedes-BenzSL4503.0LV6N/AGDI High Pressure Pump (New)
2017Mercedes-BenzSL5504.7LV8N/ALeft Side; GDI High Pressure Pump (New)
2017Mercedes-BenzSL63 AMG5.5LV8N/ALeft Side; GDI High Pressure Pump (New)
2017Mercedes-BenzSLC43 AMG3.0LV6N/AGDI High Pressure Pump (New)
2016Mercedes-BenzC450 AMG3.0LV6N/AGDI High Pressure Pump (New)
2016Mercedes-BenzCLS4003.0LV6N/AGDI High Pressure Pump (New)
2016Mercedes-BenzCLS5504.7LV8N/ALeft Side; GDI High Pressure Pump (New)
2016Mercedes-BenzCLS63 AMG S5.5LV8N/ALeft Side; GDI High Pressure Pump (New)
2016Mercedes-BenzE4003.0LV6N/AGDI High Pressure Pump (New)
2016Mercedes-BenzE550RWD4.7LV8N/ALeft Side; GDI High Pressure Pump (New)
2016Mercedes-BenzE63 AMG S5.5LV8N/ALeft Side; GDI High Pressure Pump (New)
2016Mercedes-BenzG63 AMG5.5LV8N/ALeft Side; GDI High Pressure Pump (New)
2016Mercedes-BenzGL4503.0LV6N/AGDI High Pressure Pump (New)
2016Mercedes-BenzGL5504.7LV8N/ALeft Side; GDI High Pressure Pump (New)
2016Mercedes-BenzGL63 AMG5.5LV8N/ALeft Side; GDI High Pressure Pump (New)
2016Mercedes-BenzGLE4003.0LV6N/AGDI High Pressure Pump (New)
2016Mercedes-BenzGLE450 AMG3.0LV6N/AGDI High Pressure Pump (New)
2016Mercedes-BenzGLE550e3.0LV6N/AGDI High Pressure Pump (New)
2016Mercedes-BenzGLE63 AMG5.5LV8N/ALeft Side; GDI High Pressure Pump (New)
2016Mercedes-BenzGLE63 AMG S5.5LV8N/ALeft Side; GDI High Pressure Pump (New)
2016Mercedes-BenzS5504.7LV8N/ALeft Side; GDI High Pressure Pump (New)
2016Mercedes-BenzS550e3.0LV6N/AGDI High Pressure Pump (New)
2016Mercedes-BenzS63 AMG5.5LV8N/ALeft Side; GDI High Pressure Pump (New)
2016Mercedes-BenzSL4003.0LV6N/AGDI High Pressure Pump (New)
2016Mercedes-BenzSL5504.7LV8N/ALeft Side; GDI High Pressure Pump (New)
2016Mercedes-BenzSL63 AMG5.5LV8N/ALeft Side; GDI High Pressure Pump (New)
2015Mercedes-BenzC4003.0LV6N/AGDI High Pressure Pump (New)
2015Mercedes-BenzCLS4003.0LV6N/AGDI High Pressure Pump (New)
2015Mercedes-BenzCLS5504.7LV8N/ALeft Side; GDI High Pressure Pump (New)
2015Mercedes-BenzCLS63 AMG S5.5LV8N/ALeft Side; GDI High Pressure Pump (New)
2015Mercedes-BenzE4003.0LV6N/AGDI High Pressure Pump (New)
2015Mercedes-BenzE550RWD4.7LV8N/ALeft Side; GDI High Pressure Pump (New)
2015Mercedes-BenzE63 AMG5.5LV8N/ALeft Side; GDI High Pressure Pump (New)
2015Mercedes-BenzE63 AMG S5.5LV8N/ALeft Side; GDI High Pressure Pump (New)
2015Mercedes-BenzG63 AMG5.5LV8N/ALeft Side; GDI High Pressure Pump (New)
2015Mercedes-BenzGL4503.0LV6N/AGDI High Pressure Pump (New)
2015Mercedes-BenzGL5504.7LV8N/ALeft Side; GDI High Pressure Pump (New)
2015Mercedes-BenzGL63 AMG5.5LV8N/ALeft Side; GDI High Pressure Pump (New)
2015Mercedes-BenzML4003.0LV6N/AGDI High Pressure Pump (New)
2015Mercedes-BenzML63 AMG5.5LV8N/ALeft Side; GDI High Pressure Pump (New)
2015Mercedes-BenzS5504.7LV8N/ALeft Side; GDI High Pressure Pump (New)
2015Mercedes-BenzS550e3.0LV6N/AGDI High Pressure Pump (New)
2015Mercedes-BenzS63 AMG5.5LV8N/ALeft Side; GDI High Pressure Pump (New)
2015Mercedes-BenzSL4003.0LV6N/AGDI High Pressure Pump (New)
2015Mercedes-BenzSL5504.7LV8N/ALeft Side; GDI High Pressure Pump (New)
2015Mercedes-BenzSL63 AMG5.5LV8N/ALeft Side; GDI High Pressure Pump (New)
2014Mercedes-BenzCL5504.7LV8N/ALeft Side; GDI High Pressure Pump (New)
2014Mercedes-BenzCL63 AMG5.5LV8N/ALeft Side; GDI High Pressure Pump (New)
2014Mercedes-BenzCLS5504.7LV8N/ALeft Side; GDI High Pressure Pump (New)
2014Mercedes-BenzCLS63 AMG5.5LV8N/ALeft Side; GDI High Pressure Pump (New)
2014Mercedes-BenzCLS63 AMG S5.5LV8N/ALeft Side; GDI High Pressure Pump (New)
2014Mercedes-BenzE5504.7LV8N/ALeft Side; GDI High Pressure Pump (New)
2014Mercedes-BenzE63 AMG5.5LV8N/ALeft Side; GDI High Pressure Pump (New)
2014Mercedes-BenzE63 AMG S5.5LV8N/ALeft Side; GDI High Pressure Pump (New)
2014Mercedes-BenzG63 AMG5.5LV8N/ALeft Side; GDI High Pressure Pump (New)
2014Mercedes-BenzGL4504.7LV8N/ALeft Side; GDI High Pressure Pump (New)
2014Mercedes-BenzGL5504.7LV8N/ALeft Side; GDI High Pressure Pump (New)
2014Mercedes-BenzGL63 AMG5.5LV8N/ALeft Side; GDI High Pressure Pump (New)
2014Mercedes-BenzML5504.7LV8N/ALeft Side; GDI High Pressure Pump (New)
2014Mercedes-BenzML63 AMG5.5LV8N/ALeft Side; GDI High Pressure Pump (New)
2014Mercedes-BenzS5504.7LV8N/ALeft Side; GDI High Pressure Pump (New)
2014Mercedes-BenzS63 AMG5.5LV8N/ALeft Side; GDI High Pressure Pump (New)
2014Mercedes-BenzSL5504.7LV8N/ALeft Side; GDI High Pressure Pump (New)
2014Mercedes-BenzSL63 AMG5.5LV8N/ALeft Side; GDI High Pressure Pump (New)
2013Mercedes-BenzCL5504.7LV8N/ALeft Side; GDI High Pressure Pump (New)
2013Mercedes-BenzCL63 AMG5.5LV8N/ALeft Side; GDI High Pressure Pump (New)
2013Mercedes-BenzCLS5504.7LV8N/ALeft Side; GDI High Pressure Pump (New)
2013Mercedes-BenzE5504.7LV8N/ALeft Side; GDI High Pressure Pump (New)
2013Mercedes-BenzE63 AMG5.5LV8N/ALeft Side; GDI High Pressure Pump (New)
2013Mercedes-BenzG63 AMG5.5LV8N/ALeft Side; GDI High Pressure Pump (New)
2013Mercedes-BenzGL4504.7LV8N/ALeft Side; GDI High Pressure Pump (New)
2013Mercedes-BenzGL5504.7LV8N/ALeft Side; GDI High Pressure Pump (New)
2013Mercedes-BenzGL63 AMG5.5LV8N/ALeft Side; GDI High Pressure Pump (New)
2013Mercedes-BenzML5504.7LV8N/ALeft Side; GDI High Pressure Pump (New)
2013Mercedes-BenzML63 AMG5.5LV8N/ALeft Side; GDI High Pressure Pump (New)
2013Mercedes-BenzS5504.7LV8N/ALeft Side; GDI High Pressure Pump (New)
2013Mercedes-BenzS63 AMG5.5LV8N/ALeft Side; GDI High Pressure Pump (New)
2013Mercedes-BenzSL5504.7LV8N/ALeft Side; GDI High Pressure Pump (New)
2013Mercedes-BenzSL63 AMG5.5LV8N/ALeft Side; GDI High Pressure Pump (New)
2012Mercedes-BenzCL5504.7LV8LeftGDI High Pressure Pump
2012Mercedes-BenzCL63 AMG5.5LV8LeftGDI High Pressure Pump
2012Mercedes-BenzCLS5504.7LV8LeftGDI High Pressure Pump
2012Mercedes-BenzCLS63 AMG5.5LV8LeftGDI High Pressure Pump
2012Mercedes-BenzE5504.7LV8LeftGDI High Pressure Pump
2012Mercedes-BenzE63 AMG5.5LV8LeftGDI High Pressure Pump
2012Mercedes-BenzML5504.7LV8N/ALeft Side; GDI High Pressure Pump (New)
2012Mercedes-BenzML63 AMG5.5LV8N/ALeft Side; GDI High Pressure Pump (New)
2012Mercedes-BenzS5504.7LV8LeftGDI High Pressure Pump
2012Mercedes-BenzS63 AMG5.5LV8LeftGDI High Pressure Pump
2011Mercedes-BenzCL5504.7LV8LeftGDI High Pressure Pump
2011Mercedes-BenzCL63 AMG5.5LV8LeftGDI High Pressure Pump
2011Mercedes-BenzS63 AMG5.5LV8LeftGDI High Pressure Pump
Directly replaces or cross-references 1 part number
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
2780701101